Build appx version of Electron app

.github/workflows/build-electron.yml

@@ -85,6 +85,8 @@ jobs:
 
   Release_Windows:
     runs-on: windows-latest
+    env: 
+      SIGNTOOL_PATH: "C:\\Program Files (x86)\\Windows Kits\\10\\bin\\x64\\signtool.exe"
     steps:
     - uses: actions/checkout@v3      
     - uses: actions/setup-node@v3

package.json

@@ -10,7 +10,7 @@
     "productName": "Kiwix JS Electron",
     "directories": {
       "output": "bld/Electron",
-      "buildResources": "../electron_icons"
+      "buildResources": "electron_icons"
     },
     "afterPack": "./scripts/appimage-fix.js",
     "win": {
@@ -30,6 +30,9 @@
         {
           "target": "portable",
           "arch": "ia32"
+        },
+        {
+          "target": "appx"
         }
       ]
     },
@@ -69,6 +72,15 @@
       "allowElevation": "true",
       "runAfterFinish": "true"
     },
+    "appx": {
+      "backgroundColor": "transparent",
+      "displayName": "Kiwix JS Electron",
+      "identityName": "Kiwix.KiwixJS.Electron",
+      "publisher": "CN=Association Kiwix, O=Association Kiwix, L=Lausanne, C=CH",
+      "publisherDisplayName": "Association Kiwix",
+      "languages": "en-GB",
+      "showNameOnTiles": "true"
+    },
     "files": [
       "service-worker.js",
       "index.html",

scripts/Publish-ElectronPackages.ps1

@@ -127,7 +127,7 @@ if (-not $githubonly) {
 
     $Packages | % {
         $file = $_
-        if ($file -match '\.(exe|zip|msix)$') {
+        if ($file -match '\.(exe|zip|msix|appx)$') {
             $directory = $file -replace '^(.+[\\/])[^\\/]+$', '$1'
             $filename = $file -replace '^.+[\\/]([^\\/]+)$', '$1'
             # Convert all spaces and hyphens to underscore